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Is it possible to set a number to NaN or infinity?
...
The numpy functions also work for numpy arrays and everything that can be converted to one (like lists, tuple, etc.)
There are also functions that explicitly check for positive and negative infinity in NumPy: numpy.isposinf and numpy.isneginf.
Pandas offers two additional functions to check for NaN...
How do I save a stream to a file in C#?
...r-complicate things with StreamReader if you already have a stream you can convert to bytes directly with .ToArray()!
Only potential downsides I can see in doing it this way is if there's a large file you have, having it as a stream and using .CopyTo() or equivalent allows FileStream to stream it...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
... vectors.
The most effective you can be is to use the a combination of mb_convert_encoding and htmlentities as follows.
$str = mb_convert_encoding($str, 'UTF-8', 'UTF-8');
$str = htmlentities($str, ENT_QUOTES, 'UTF-8');
Even this leaves IE6 vulnerable, because of the way it handles UTF. However,...
GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...ck;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
public class MainActivity extends AppCompatActivity {
private RecyclerView recyclerView;
private DataAdapter dataAdapter;
private List<Datum> dataArrayList;
@Override
protected vo...
How ListView's recycling mechanism works
...
Initially, I was also unaware of listview recycling and the convertview usage mechanism, but after a whole days research I pretty much understand the mechanisms of the list view by referring to an image from android.amberfog
Whenever your listview is filled by an adapter it basically...
Why are side-effects modeled as monads in Haskell?
...re functions together
We defined a function impurify :: a -> IO a which converts a pure value to impure.
Now we make the identification (>>=) = (~~~) and return = impurify, and see? We've got a monad.
Technical note
To ensure it's really a monad, there's still a few axioms which need to b...
Sending files using POST with HttpURLConnection
...s.attachmentFileName + "\"" + this.crlf);
request.writeBytes(this.crlf);
Convert Bitmap to ByteBuffer:
//I want to send only 8 bit black & white bitmaps
byte[] pixels = new byte[bitmap.getWidth() * bitmap.getHeight()];
for (int i = 0; i < bitmap.getWidth(); ++i) {
for (int j = 0; j <...
Downloading a file from spring controllers
... this by using the built in support in Spring with it's ResourceHttpMessageConverter. This will set the content-length and content-type if it can determine the mime-type
@RequestMapping(value = "/files/{file_name}", method = RequestMethod.GET)
@ResponseBody
public FileSystemResource getFile(@PathV...
Download file from an ASP.NET Web API method using AngularJS
..., FireFox and Safari.
It uses an arraybuffer response type, which is then converted into a JavaScript blob, which is then either presented to save using the saveBlob method - though this is only currently present in Internet Explorer - or turned into a blob data URL which is opened by the browser, ...
How to split a string, but also keep the delimiters?
...haracters.
Can you use zero-width matching regex in String split?
How do I convert CamelCase into human-readable names in Java?
Backreferences in lookbehind
See also
regular-expressions.info/Lookarounds
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